Chapters 4 and 5 CP Environmental Exam Review

Front

What are the factors that make a species unlikely to become invasive in a new environment?

Back

Predators, parasites, and competitors.

Front

What type of diet do humans have?

Back

Humans are omnivores.

Front

What type of ecological succession occurs after a landslide leaves bare rock?

Back

Primary succession.

Front

How is an ecosystem defined?

Back

All the living things and their physical environment within a given area.

Front

What percentage of energy moves up each trophic level?

Back

10%.

Front

What is primary succession?

Back

The process of ecological change that occurs in an area where no soil exists, such as after a landslide.

Front

What is secondary succession?

Back

The process of ecological change that occurs in an area where a disturbance has destroyed an existing community but left the soil intact.

Front

Define a community in ecological terms.

Back

A community is a group of different species that live together in one area.

Front

What is the biosphere?

Back

The biosphere is the global sum of all ecosystems, where life exists on Earth.

Front

What is a population in ecology?

Back

A population is a group of individuals of the same species living in a specific area.